Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works along with your seed phrase to encrypt and secure your wallet. https://greatbookmarking.com/story19637896/bip39-wallet-https-linktr-ee-bip39-a-review-of-bip39-words